29409949 has 8 divisors (see below), whose sum is σ = 31217400. Its totient is φ = 27611136.

The previous prime is 29409943. The next prime is 29409977. The reversal of 29409949 is 94990492.

It can be written as a sum of positive squares in 4 ways, for example, as 19201924 + 10208025 = 4382^2 + 3195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29409949 - 2²¹ = 27312797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29409899 and 29409908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29409943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5707 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (3902175).

Almost surely, 2^29409949 is an apocalyptic number.

It is an amenable number.

29409949 is a deficient number, since it is larger than the sum of its proper divisors (1807451).

29409949 is a wasteful number, since it uses less digits than its factorization.

29409949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 29409949 is about 5423.0940430717. The cubic root of 29409949 is about 308.6726073730.

The spelling of 29409949 in words is "twenty-nine million, four hundred nine thousand, nine hundred forty-nine".